Service Monitors
(Filter, UV and Humidifier Pad)
User Options 1, 2 and 3
There are three user selectable service monitors that will display
reminders for a required air lter, UV bulb or humidier pad
replacement. The SERVICE segment ashes in the display
along with FILTER, UV or HUMID. When the service interval
has been reached, and required cleaning or replacement has
been performed, press the RETURN button to reset the
timer. Select OFF or a set number of days before the reminder
will appear.
Set Point Adjustment Limit
User Option 4
The Set Point Adjustment Limit will limit how
much the
temperature can be adjusted from the current set point
when
the thermostat is locked with security level 1(See Installer
Manual). This setting will not allow the user to override the
temperature past
the selected limit amount of 1, 2 or 3 degrees
from the current set point. When the user reaches the adjustment
limit the screen will ash ADJ. A setting of 0 disables the
adjustment limit.
Service Reminders
User Manual 8
9 User Manual
Thermostat Lock Code
User Option 5
The Thermostat Lock Code sets a 3-digit code that you may use at any time to lock or unlock the thermostat.
Setting the code in the user options mode does not activate the lock feature (See Locking/Unlocking Thermostat,
page 15). You may choose a 3-digit code with each digit being 0-9.
3
Operating Your Thermostat
Setting the SYSTEM Control Mode
The System Control has 5 modes of operation – AUTO, COOL, OFF, HEAT and EMER. The mode can be selected
by pressing the SYSTEM button to scroll through the different modes.
NOTE: Depending on how your thermostat was
configured, some system modes may not be available.
AUTO
The system will cycle between heating and cooling
automatically based on your program set points.
AUTO will be displayed with either HEAT or COOL.
COOL Only your cooling system will operate.
OFF Heating and cooling systems are off.
HEAT Only your heating system will operate
EMER
Operates a backup heat source (Emergency Heat)
for heat pump systems only (Model 3220 only).